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Re tiny stars.
It is the fast f-ratio (as well as superb field correction, AND an uber narrow H-alpha filter) that makes stars so small. At f/3.8, even including several rings of Airy disc pattern ('cause of 50% obstruction), they will still fit into STL11K's single pixel, more or less.
Spectacular first light BTW. Those tiny Bok globules are so well resolved it beggars belief the shot was taken at only 1160mm focal length!
Bratislav
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